All-Terrain Vehicle And Its Seat Installation Structure

ABSTRACT

The invention provides a type of all-terrain vehicle seat installation structure; it includes the cab frame and the seat backrest arranged on the frame; the back mounting side of the seat backrest includes the first mounting part and the second mounting part arranged up and down respectively. The first mounting part includes the upper support frame located at the upper end of the frame; the installation hole is arranged on the upper support frame; the installation pin inserted into the installation hole is extended out of the seat backrest. The second mounting part includes the lower support frame located at the lower end of the frame; the lower end of the seat backrest is provided with the installation buckle mounted on the lower support frame. The top of the seat backrest is limited by the installation pin being inserted into the installation hole; the seat backrest is supported by the bottom installation buckle; the top of the seat backrest is limited by the inserting installation structure of the installation pin and the installation hole to avoid the seat backrest moving up and down on the frame, so the stability of the seat installation structure of the all-terrain vehicle is improved. The invention also provides a type of all-terrain vehicle provided with the seat installation structure of the all-terrain vehicle as described above.

CROSS-REFERENCE TO RELATED U.S. APPLICATION(S)

None.

FIELD OF THE INVENTION

The invention relates to the technical field of the all-terrain vehicle, particularly to a type of all-terrain vehicle and its seat installation structure.

BACKGROUND OF THE INVENTION

All-terrain vehicles are commonly known as “beach vehicle”, or “all-terrain four-wheel off-road motor vehicle”. The vehicle is simple and practical, and it can work with good off-road performance, and it is generally not equipped with the canopy. All-terrain vehicle means a vehicle that can travel on any terrain and can walk freely on terrain where ordinary vehicles are difficult to travel. Some people also call it “four-wheel motorcycle.” Because its structure is very similar to motorcycle and many parts are common to motorcycles. The vehicle is used widely and it is not limited by the road conditions.

For the all-terrain vehicle with the cab, the seats are arranged inside the cab; three seats are arranged on a row of seats. The seats of the all-terrain vehicle adopt the separated structure and include two parts: the seat cushion and the backrest. The seat cushion is directly fixed on the seat mounting frame of the frame; the backrest is fixed on the cab frame. For the seat cushion and backrest with separated structure, it is necessary to ensure the stability of the connection structure of the seat cushion, the backrest and the frame to avoid the two of them vibrating to affect the driving comfort during the vehicle travelling. However, the existing backrest assembly technology makes the large interstice between the backrest and the frame to result in the instability of the backrest assembly structure and the noise produced during the vehicle travelling, so the driving comfort is affected.

Therefore, how to improve the stability of seat installation structure of all-terrain vehicle is technical defect which urgently needs to be solved for those skilled in the art.

BRIEF SUMMARY OF THE INVENTION

In view of this, the invention provides a type of seat installation structure of the all-terrain vehicle to improve the stability of seat installation structure of all-terrain vehicle; the invention also provides a type of all-terrain vehicle.

In order to achieve the above objects, the invention provides the following technical schemes:

A type of seat installation structure of the all-terrain vehicle includes the cab frame and the seat backrest arranged on the said frame; the back mounting side of the said seat backrest includes the first mounting part and the second mounting part arranged up and down respectively;

The said first mounting part includes the upper support frame located at the upper end of the said frame; the installation hole is arranged on the said upper support frame; the installation pin inserted into the installation hole is extended out of the said seat backrest;

The said second mounting part includes the lower support frame located at the lower end of the said frame; the lower end of the said seat backrest is provided with the installation buckle mounted on the said lower support frame.

Preferably, in the above seat installation structure of the all-terrain vehicle, the bottom end of the said lower support frame is provided with the support column that provides radial support for the installation buckle; the clamping opening for the said installation buckle is attached to the said support column.

Preferably, in the above seat installation structure of the all-terrain vehicle, the said installation buckle includes the first installation buckle and the second installation buckle arranged on both sides of the said seat backrest width direction respectively; the clamping openings of the said installation buckles are both arranged downwards.

Preferably, in the above seat installation structure of the all-terrain vehicle, the said lower support frame includes the first mounting column and the second mounting column arranged at both ends of the said support column; both ends of the said first mounting column and the said second mounting column are fixed to the said frame.

Preferably, in the above seat installation structure of the all-terrain vehicle, the support base is extended out of the upper end of the said seat backrest and made contact wit the said upper support frame; the said installation pin is arranged at the contact ends of the said support base and the said upper support frame.

Preferably, in the above seat installation structure of the all-terrain vehicle, the said installation pin includes the installation pin body fixed in the said support base and the limit head arranged at the end part of the said installation pin body; the said limit head is the limit head with the conical cross section: the root part of the said limit head is fixed to the end part of the said installation pin body; the maximum outer diameter of the said limit head is not less than the inner diameter of the installation hole;

Arc transition is arranged between the root part of the said limit head and the said installation pin body.

Preferably, in the above seat installation structure of the all-terrain vehicle, the cushioning pad assembled with the said installation pin is arranged inside the said installation hole; the said cushioning pad includes the cushioning part, the first annular ear and the second annular ear; the cushioning part is located in the inner ring of the said installation hole; the first annular ear is arranged at the first end of the said cushioning part and made contact with the inner wall of the said installation hole; the second annular ear is arranged at the second end of the cushioning part and made contact with the outer wall of the said installation hole.

Preferably, in the above seat installation structure of the all-terrain vehicle, the outer diameter of the said first annular ear is smaller than that of the said second annular ear.

Preferably, in the above seat installation structure of the all-terrain vehicle, the said upper support frame includes the support tube supporting the said seat backrest; the said installation hole is arranged on the tube wall of the support tube; the top of the lower support frame is fixed to the said support tube.

A type of all-terrain vehicle includes the body, the cab arranged on the body; the seat is arranged inside the said cab: the said seat is provided with the seat installation structure of the all-terrain vehicle as described in any of the above.

The seat installation structure of the all-terrain vehicle provided by this invention includes the cab frame and the seat backrest arranged on the frame; the back mounting side of the seat backrest includes the first mounting part and the second mounting part arranged up and down respectively. The first mounting part includes the upper support frame located at the upper end of the frame; the installation hole is arranged on the upper support frame; the installation pin inserted into the installation hole is extended out of the seat backrest. The second mounting part includes the lower support frame located at the lower end of the frame; the lower end of the seat backrest is provided with the installation buckle mounted on the lower support frame. The seat backrest is fixed inside the cab through the frame; the seat backrest and the frame are supported and mounted by the first mounting part and second mounting part of the upper part and lower part of the seat backrest. The seat backrest is supported by the upper support frame of the first mounting part; the upper support frame is provided with the installation hole; the installation pin is extended out of the seat backrest; the installation pin is inserted into the installation hole to limit the top of the seat backrest. The lower end of the seat backrest is supported by the second installation part; the second installation part includes the lower support frame at the lower end of the frame; the lower end of the seat backrest is provided with the installation buckle; the installation buckle is mounted on the lower support frame; the lower end of the seat backrest is supported by the lower support frame. The installation structure of the seat backrest is supported by the bottom installation buckle; the top of the seat backrest is limited by the inserting installation structure of the installation pin and the installation hole to avoid the seat backrest moving up and down on the frame and vibrating during the all-terrain vehicle travelling, so the stability of the seat installation structure of the all-terrain vehicle is improved.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to describe the technical scheme more clearly in the existing technology or the embodiment of the present invention; the drawings required for the implementation of the existing technology or the embodiment of the present invention are briefly introduced in the following; obviously; the drawings below are some embodiments of the present invention; for the ordinary technical personnel in the art; you can also get other drawings according to these drawings at the premise of without giving creative labor.

FIG. 1 is the side view showing the seat installation structure of the all-terrain vehicle provided by the invention;

FIG. 2 is the front view showing the seat installation structure of the all-terrain vehicle provided by the invention;

FIG. 3 is the explosion view showing the installation structure of the upper support frame in FIG. 1;

FIG. 4 is the schematic view showing the structure of the cushioning pad in FIG. 3.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

The invention discloses a type of seat installation structure of the all-terrain vehicle to improve the stability of the seat installation structure of the all-terrain vehicle; the invention also provides a type of all-terrain vehicle.

Technical scheme of the embodiment of the present invention is clearly and completely described in the following combined with the accompanying drawings of the embodiment of the present invention; obviously; the embodiment of the present invention is a part of the embodiments: not all of the embodiments of the present invention. Based on the embodiment of the present invention; all other embodiments which the ordinary technical personnel in the art obtain at the premise of without giving creative labor are also deemed to fall into the protection scope of the present invention.

As shown in FIG. 1-FIG. 4, FIG. 1 is the side view showing the seat installation structure of the all-terrain vehicle provided by the invention; FIG. 2 is the front view showing the seat installation structure of the all-terrain vehicle provided by the invention; FIG. 3 is the explosion view showing the installation structure of the upper support frame in FIG. 1; FIG. 4 is the schematic view showing the structure of the cushioning pad in FIG. 3.

The invention provides a type of seat installation structure of the all-terrain vehicle. It includes the cab frame 1 and the seat backrest 2 arranged on the frame 1 l; the back mounting side of the seat backrest 2 includes the first mounting part 3 and the second mounting part 4 arranged up and down respectively. The first mounting part 3 includes the upper support frame 31 located at the upper end of the frame; the installation hole 32 is arranged on the upper support frame 31; the installation pin 33 inserted into the installation hole is extended out of the seat backrest 2, The second mounting part 4 includes the lower support frame 41 located at the lower end of the frame; the lower end of the seat backrest 2 is provided with the installation buckle 42 mounted on the lower support frame 41. The seat backrest 2 is fixed inside the cab through the frame 1; the seat backrest 2 and the frame 1 are supported and mounted by the first mounting part 3 and second mounting part 4 of the upper part and lower part of the seat backrest 2. The seat backrest 2 is supported by the upper support frame 31 of the first mounting part 3; the upper support frame 31 is provided with the installation hole 32; the installation pin 33 is extended out of the seat backrest 2; the installation pin 33 is inserted into the installation hole 32 to limit the top of the seat backrest 2. The lower end of the seat backrest 2 is supported by the second installation part 4; the second installation part 4 includes the lower support frame 41 at the lower end of the frame; the lower end of the seat backrest 2 is provided with the installation buckle 42; the installation buckle 42 is mounted on the lower support frame 41; the lower end of the seat backrest 2 is supported by the lower support frame 41. The installation structure of the seat backrest 2 is supported by the bottom installation buckle 42; the top of the seat backrest is limited by the inserting installation structure of the installation pin 33 and the installation hole 32 to avoid the seat backrest 2 moving up and down on the frame 1 and vibrating during the all-terrain vehicle travelling so the stability of the seat installation structure of the all-terrain vehicle is improved.

In the embodiment of the present invention, the bottom end of the lower support frame 41 is provided with the support column 411 which provides radial support for the installation buckle 42; the clamping opening for the installation buckle 42 is attached to the support column 411. The top of the seat backrest 2 is limited by the structure of the installation pin 33; the structure of the installation hole 32 and the installation pin 33 can limit the position in the radial direction of the installation pin 33, that is, the upper and lower directions of the seat backrest 2. Because the all-terrain vehicle is vibrated up and down to drive the seat backrest 2 occurring run-out in the radial direction of the installation pin 33 during the all-terrain vehicle moving forward, in order to ensure the stability of the support structure of the installation pin 33, the weight of the back 2 is supported by the second mounting part 4 to reduce the load on the position of the installation pin 33. In particular, the support column 411 is arranged at the bottom end of the lower support frame 41; the support direction of the support column 411 is arranged in its radial direction; the clamping opening is arranged on the installation buckle 42 and mounted on the support column 422 to support the seat backrest 2. The support column 411 is used for bearing the weight of the seat backrest 2; the support column 411 is supported by its radial support, that is, the axial direction of the support column 411 is arranged in the width direction of the seat backrest 2; the opening direction of the clamping opening of the installation buckle 42 is arranged downwards; Thus, the installation buckle is lapped on the support column 411 to achieve that the support column 411 supports the installation buckle 42 in radial direction.

In the embodiment of the present invention, the installation buckle 42 includes the first installation buckle and the second installation buckle arranged on both sides of the width direction of the seat backrest 2 respectively; the clamping openings of the installation buckles 42 are both arranged downwards. Due to the influence of driving terrain, the vehicle is vibrated up and down or swung left and right during the all-terrain vehicle travelling. In order to improve the stability of the seat backrest 2 swung left and right, the installation buckles 42 is provided with the first installation buckle 421 and the second installation buckle 422 in the width direction of the seat backrest, so the bottom of the seat backrest 2 is supported by two points to further ensure the support stability of the seat backrest 2.

In the embodiment of the present invention, the lower support frame 41 includes the first mounting column 412 and the second mounting column arranged at both ends of the support column 411; both ends of the first mounting column 412 and the second mounting column are fixed to the frame 1. The bottom of the seat backrest 2 is supported on the lower support 41; specifically the first installation buckle 421 and the second installation buckle 422 of the seat backrest 2 are mounted on the support column 411. In order to ensure that the support column 411 has sufficient support strength, both ends of the support column 411 are supported by the first mounting column 412 and second mounting column; the first mounting column 412 and the second mounting column are fixed on the frame 1, so the lower support frame 41 is fixedly mounted and the supporting strength of the seat backrest 2 is guaranteed.

In the embodiment of the present invention, the support base 34 is extended out of the upper end of the seat backrest 2 and made contact with the upper support frame 31; the installation pin 33 is arranged at the contact ends of the support base 34 and the upper support frame 31. The upper end of the seat backrest 2 is limited by the installation pin 33 being inserted into the installation hole 32; the installation pin 33 is supported in its radial direction by the installation hole 32; when the seat backrest 2 is vibrated, there will occur vibration in the axial direction of the installation pin 33; so it is necessary to limit the axial position of the installation pin 33 after the installation pin 33 is inserted into the installation hole 32. The support base 34 is arranged on the seat backrest; the installation pin 33 is arranged at the support end of the support base 34; the support base 34 is made contact with the support end surface of the upper support frame 31 after the installation pin 33 is inserted into the installation hole 32, thereby it is ensured that the seat backrest 2 is limited in the axial direction of the installation pin 33.

In the embodiment of this invention, the installation pin 33 includes the installation pin body 331 fixed in the support base 34 and the limit head 332 arranged at the end part of the installation pin body 331; the limit head 332 is the limit head with the conical cross section; the root part of the limit head 332 is fixed to the end part of the installation pin body 331; the maximum outer diameter of the limit head 332 is not less than the inner diameter of the installation hole 32;

arc transition is arranged between the root part of the limit head 332 and the installation pin body 331. The installation pin 33 is limited in its axial direction by the tension force between the installation hole 32 and the installation pin 33; or the outer end face of the installation pin 33 is provided with the limit structure fitted the inner ring of the installation hole. In the embodiment, the installation pin 33 is provided with the limit head 332 at the end part of the installation pin body 331; the limit head 332 adopts the conical structure; the limit head 332 is provided with the maximum outer diameter at the same time, that is, the diameter of the root of the limit head with conical structureis is larger than the inner diameter of the installation hole 32; for the root part of the limit head 332 and the installation pin body 331, the installation pin body 331 is mounted inside the inner ring of the installation hole 32 after the limit head 332 is inserted into the installation hole 32; the seat backrest 2 is limited in the direction of the limit head 332 being removed from the installation hole 32 after the installation pin 33 is inserted into the installation hole 32.

The root of the limit head 332 is connected to the installation pin body 331 through arc end-face transition; preferably, the second conical face is arranged and extended from the installation pin body 331 to the limit head 332; when the seat backrest 2 needs to be removed, it is pulled to make the installation pin 33 to be detached from the installation hole 32 to realize the disassembling of the seat backrest.

In the embodiment of the present invention, the cushioning pad 35 assembled with the said installation pin is arranged inside the said installation hole 32; the cushioning pad 35 includes the cushioning part 351, the first annular ear 352 and the second annular ear 353; the cushioning part 351 is located in the inner ring of the installation hole 32; the first annular ear 352 is arranged at the first end of the cushioning part 351 and made contact with the inner wall of the installation hole 32; the second annular ear is arranged at the second end of the cushioning part 351 and made contact with the outer wall of the installation hole 32. The installation hole 32 is arranged on the upper support frame 31; the installation pin 33 adopts metal material; so it is easy to occur noise caused by the vibration of the contact end faces of the installation pin 33 and the installation hole 32. The cushioning pad 35 assembled with the installation pin 33 is arranged inside the installation hole 32; the cushioning pad includes the cushioning part 351 which is located in the inner ring of the installation hole 32; the first end of the cushioning part 351 is extended into the inner end face of the installation hole 32 and the second end is extended to the outer end face of the installation hole 32; the first end of the cushioning part 351 is provided with the first annular ear 352; the inner side of the first annular ear 352 is made contact with the inner wall of the installation hole; the second end of the cushioning part 351 is provided with the second annular ear 353; the inner side of the second annular ear 353 is made contact with the outer wall of the installation hole 32. Through the structure of the first annular ear 352 and the second annular ear 352, the cushioning pad 35 is mounted into the installation hole 32; the installation pin 33 is inserted into the installation hole 32 by the inner hole of the cushioning pad 35 when the seat backrest 3 is installed; thus the outer ring of the installation pin 33 is made contact with the inner ring of the installation hole 32 through the cushioning pad 35; the vibration between the installation pin 33 and the installation hole 32 is cushioned by the cushioning pad 35, so the connection stability between the two of them is improved.

In the embodiment of the present invention, the outer diameter of the first annular ear 352 is smaller than that of the second annular ear 353. The seat backrest 3 is installed on the upper support frame 31 through the installation pin 33; the seat backrest 3 is pressed to be mounted. Since the installation pin 33 needs to be inserted into the cushioning pad 35; the cushioning pad 35 is preinstalled on the upper support frame 31 in order to facilitate assembly; the outer diameter of the first annular ear 352 is smaller than that of the second annular ear 353 in order to reduce the installation difficulty of cushioning pad 35; so the cushioning pad 35 can be easily inserted into the installation hole 32. At the same time, the second annular ear 353 adopts the the larger outer diameter to form the support structure; the second annular ear 353 is attached to the contact surface between the support base 34 and the upper support frame 31 to reduce the installation interstice between the two of them and avoid the vibration between the two of them; so the stability of the seat backrest is further improved.

In the embodiment of the present invention, the upper support frame 31 includes the support tube supporting the seat backrest 2; the installation hole 32 is arranged on the tube wall of the support tube; the top of the lower support frame is fixed to the support tube. The frame of the cab of the all-terrain vehicle adopts mostly tubular support structure. The upper support frame is arranged as the upper support tube on the frame for the installation of the seat backrest; the installation hole is directly arranged on the upper support tube; the support surface provided with the installation hole and made contact with the support base is arranged on the support tube; the support tube can be set as the flat tube to be conveniently assembled with the support base, so the stability of the support is improved. The top of the lower support frame is fixed to the support tube to make the upper support frame and the lower support frame to be formed the independent mounting support frame for the seat backrest, so the position accuracy of the installation hole and the support column is easily controlled and the installation structure stability of installation pin, installation buckle, upper support frame and lower support frame is ensured.

Based on the seat installation structure of the all-terrain vehicle provided in the above embodiment, the invention also provides a type of all-terrain vehicle which includes the body and the cab arranged on the body; the seat is arranged inside the cab. This seat is provided with the seat installation structure of the all-terrain vehicle provided in the above embodiment.

Since the all-terrain vehicle adopts the seat installation structure of the all-terrain vehicle provided in the above embodiment, the beneficial effect that the seat installation structure of the all-terrain vehicle can bring to the all-terrain vehicle is referred to the above embodiment.

The above descriptions of the disclosed embodiment enable professional and technical personnel in the art to achieve or use the present invention. Obviously; the professional and technical personnel in the art will make a plurality of modifications to these embodiment; the general principles defined in this article may be achieve in the other embodiment without departing from the spirit or essential attributes of the present invention. Therefore; this invention will not be limited to the embodiment shown in this article; but to conform to the maximum extent of principles and new features that are disclosed in this article. 

1. A type of seat installation structure of the all-terrain vehicle is characterized in that it includes the cab frame and the seat backrest arranged on the said frame; the back mounting side of the said seat backrest includes the first mounting part and the second mounting part arranged up and down respectively; The said first mounting part includes the upper support frame located at the upper end of the said frame; the installation hole is arranged on the said upper support frame; the installation pin inserted into the installation hole is extended out of the said seat backrest; The said second mounting part includes the lower support frame located at the lower end of the said frame; the lower end of the said seat backrest is provided with the installation buckle mounted on the said lower support frame.
 2. According to claim 1, the said seat installation structure of the all-terrain vehicle is characterized in that the bottom end of the said lower support frame is provided with the support column that provides radial support for the installation buckle; the clamping opening for the said installation buckle is attached to the said support column.
 3. According to claim 3, the said seat installation structure of the all-terrain vehicle is characterized in that the said installation buckle includes the first installation buckle and the second installation buckle arranged on both sides of the said seat backrest width direction respectively; the clamping openings of the said installation buckles are both arranged downwards.
 4. According to claim 2, the said seat installation structure of the all-terrain vehicle is characterized in that the said lower support frame includes the first mounting column and the second mounting column arranged at both ends of the said support column; both ends of the said first mounting column and the said second mounting column are fixed to the said frame.
 5. According to claim 1, the said seat installation structure of the all-terrain vehicle is characterized in that the support base is extended out of the upper end of the said seat backrest and made contact wit the said upper support frame; the said installation pin is arranged at the contact ends of the said support base and the said upper support frame.
 6. According to claim 5, the said seat installation structure of the all-terrain vehicle is characterized in that the said installation pin includes the installation pin body fixed in the said support base and the limit head arranged at the end part of the said installation pin body; the said limit head is the limit head with the conical cross section; the root part of the said limit head is fixed to the end part of the said installation pin body; the maximum outer diameter of the said limit head is not less than the inner diameter of the installation hole; Arc transition is arranged between the root part of the said limit head and the said installation pin body.
 7. According to claim 6, the said seat installation structure of the all-terrain vehicle is characterized in that the cushioning pad assembled with the said installation pin is arranged inside the said installation hole; the said cushioning pad includes the cushioning part, the first annular ear and the second annular ear; the cushioning part is located in the inner ring of the said installation hole; the first annular ear is arranged at the first end of the said cushioning part and made contact with the inner wall of the said installation hole; the second annular ear is arranged at the second end of the cushioning part and made contact with the outer wall of the said installation hole.
 8. According to claim 7, the said seat installation structure of the all-terrain vehicle is characterized in that the outer diameter of the said first annular ear is smaller than that of the said second annular ear.
 9. According to claim 1, the said seat installation structure of the all-terrain vehicle is characterized in that the said upper support frame includes the support tube supporting the said seat backrest; the said installation hole is arranged on the tube wall of the support tube; the top of the lower support frame is fixed to the said support tube.
 10. A type of all-terrain vehicle including the body, the cab arranged on the body and the seat arranged inside the said cab is characterized in that the said seat is provided with the seat installation structure of the all-terrain vehicle as described in claim
 1. 